KR920009185B1 - 화상의 부호화 전송장치 - Google Patents
화상의 부호화 전송장치 Download PDFInfo
- Publication number
- KR920009185B1 KR920009185B1 KR1019890019014A KR890019014A KR920009185B1 KR 920009185 B1 KR920009185 B1 KR 920009185B1 KR 1019890019014 A KR1019890019014 A KR 1019890019014A KR 890019014 A KR890019014 A KR 890019014A KR 920009185 B1 KR920009185 B1 KR 920009185B1
- Authority
- KR
- South Korea
- Prior art keywords
- timing
- signal
- sequence
- buffer
- variable length
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP89-34345 | 1989-02-14 | ||
JP1-34345 | 1989-02-14 | ||
JP1034344A JPH0828872B2 (ja) | 1989-02-14 | 1989-02-14 | 画像の符号化伝送装置 |
JP1034345A JPH02214282A (ja) | 1989-02-14 | 1989-02-14 | 変換符号化装置 |
JP1-34344 | 1989-02-14 | ||
JP89-34344 | 1989-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900013790A KR900013790A (ko) | 1990-09-06 |
KR920009185B1 true KR920009185B1 (ko) | 1992-10-14 |
Family
ID=26373138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890019014A KR920009185B1 (ko) | 1989-02-14 | 1989-12-20 | 화상의 부호화 전송장치 |
Country Status (6)
Country | Link |
---|---|
US (2) | US4954892A (de) |
EP (2) | EP0534504B1 (de) |
KR (1) | KR920009185B1 (de) |
CA (1) | CA2000156C (de) |
DE (2) | DE68927960T2 (de) |
HK (1) | HK1008133A1 (de) |
Families Citing this family (96)
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US5247357A (en) * | 1989-05-31 | 1993-09-21 | Scientific Atlanta, Inc. | Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data |
JPH03129987A (ja) * | 1989-10-14 | 1991-06-03 | Sony Corp | 映像信号符号化装置及び映像信号符号化方法 |
JP3093233B2 (ja) * | 1990-03-16 | 2000-10-03 | キヤノン株式会社 | 画像符号化装置及びその方法 |
US5134476A (en) * | 1990-03-30 | 1992-07-28 | At&T Bell Laboratories | Video signal encoding with bit rate control |
JP2723660B2 (ja) * | 1990-08-06 | 1998-03-09 | 松下電器産業株式会社 | 直交変換装置 |
JP2839943B2 (ja) * | 1990-08-10 | 1998-12-24 | 富士通株式会社 | 画像データ復元方法及び装置 |
US5636316A (en) * | 1990-12-05 | 1997-06-03 | Hitachi, Ltd. | Picture signal digital processing unit |
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JPH0541862A (ja) * | 1991-08-03 | 1993-02-19 | Sony Corp | 動きベクトルの可変長符号化方式 |
US5428396A (en) * | 1991-08-03 | 1995-06-27 | Sony Corporation | Variable length coding/decoding method for motion vectors |
US5251028A (en) * | 1991-08-08 | 1993-10-05 | Matsushita Electric Corporation Of America | Apparatus for reducing quantization artifacts in an interframe hybrid coding system with motion compensation |
US5418617A (en) * | 1991-08-08 | 1995-05-23 | Matsushita Electric Corporation Of America | Motion compensation using minimum bits per motion block as criterion for block matching |
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JPH05115010A (ja) * | 1991-10-22 | 1993-05-07 | Canon Inc | 画像復号化装置 |
JPH05137131A (ja) * | 1991-11-13 | 1993-06-01 | Sony Corp | フレーム間動き予測方法 |
SE9103381L (sv) * | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren |
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US5172228A (en) * | 1991-11-19 | 1992-12-15 | Utah State University Foundation | Image compression method and apparatus employing distortion adaptive tree search vector quantization |
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EP0574901A2 (de) * | 1992-06-16 | 1993-12-22 | Kabushiki Kaisha Toshiba | Bildsignalverarbeitungsgerät |
KR0134166B1 (ko) * | 1992-11-24 | 1998-04-22 | 모리시타 요이찌 | 영상신호기록장치 |
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1989
- 1989-10-04 CA CA002000156A patent/CA2000156C/en not_active Expired - Lifetime
- 1989-10-04 US US07/416,984 patent/US4954892A/en not_active Expired - Lifetime
- 1989-10-05 EP EP92120609A patent/EP0534504B1/de not_active Expired - Lifetime
- 1989-10-05 EP EP89118509A patent/EP0382892B1/de not_active Expired - Lifetime
- 1989-10-05 DE DE68927960T patent/DE68927960T2/de not_active Expired - Lifetime
- 1989-10-05 DE DE68913508T patent/DE68913508T2/de not_active Expired - Lifetime
- 1989-12-20 KR KR1019890019014A patent/KR920009185B1/ko not_active IP Right Cessation
-
1991
- 1991-01-24 US US07/645,322 patent/US5111294A/en not_active Expired - Lifetime
-
1998
- 1998-06-27 HK HK98107109A patent/HK1008133A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0382892B1 (de) | 1994-03-02 |
CA2000156C (en) | 1995-05-02 |
DE68927960D1 (de) | 1997-05-15 |
DE68913508D1 (de) | 1994-04-07 |
EP0534504A2 (de) | 1993-03-31 |
US5111294A (en) | 1992-05-05 |
HK1008133A1 (en) | 1999-04-30 |
DE68927960T2 (de) | 1997-07-17 |
EP0534504B1 (de) | 1997-04-09 |
CA2000156A1 (en) | 1990-08-14 |
DE68913508T2 (de) | 1994-06-09 |
EP0382892A1 (de) | 1990-08-22 |
EP0534504A3 (en) | 1993-06-09 |
KR900013790A (ko) | 1990-09-06 |
US4954892A (en) | 1990-09-04 |
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